Home / 14,643.38-21,977.33-7,625.81

Finding the Fourth Proportional to 14,643.38, 21,977.33 and 7,625.81

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Solution

The fourth proportional to 14,643.38, 21,977.33 and 7,625.81 is: 11,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.38 : 21,977.33 = 7,625.81 : x
  2. Step 2: Convert to fraction form
    14,643.38/21,977.33 = 7,625.81/x
  3. Step 3: Cross multiply
    14,643.38x = 21,977.33 × 7,625.81
  4. Step 4: Simplify right side
    14,643.38x = 167,594,959.70
  5. Step 5: Solve for x
    x = 167,594,959.70/14,643.38
  6. Step 6: Final answer
    x = 11,445.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.